Spa shell



FIG. 1 is a perspective view of a spa shell showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-sectional view thereof, taken in the direction of line 4-4 of FIG. 3;

FIG. 5 is a cross-sectional view thereof, taken in the direction of line 5-5 of FIG. 3;

FIG. 6 is a cross-sectional view thereof, taken in the direction of line 6-6 of FIG. 3;

FIG. 7 is a cross-sectional view thereof, taken in the direction of line 7-7 of FIG. 3;

FIG. 8 is a cross-sectional view thereof, taken in the direction of line 8-8 of FIG. 3;

FIG. 9 is a cross sectional view thereof, taken in the direction of line 9-9 of FIG. 3;

FIG. 10 is a perspective view of a second embodiment of a spa shell showing our new design;

FIG. 11 is another perspective view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a cross-sectional view thereof, taken in the direction of line 13- 13 of FIG. 12;

FIG. 14 is a cross-sectional view thereof, taken in the direction of line 14- 14 of FIG. 12;

FIG. 15 is a cross-sectional view thereof, taken in the direction of line 15- 15 of FIG. 12;

FIG. 16 is a cross-sectional view thereof, taken in the direction of line 16-16 of FIG. 12;

FIG. 17 is a cross-sectional view, thereof, taken in the direction of line 17-17 of FIG. 12; and,

FIG. 18 is a cross-sectional view thereof, taken in the direction of line 18-18 of FIG. 12.

The broken lines show portions of the spa seal that form no part of the claimed design. 

CLAIM The ornamental design for a spa shell, as shown an described. 